An interface whose trunk encapsulation is "Auto" can not be configured to "trunk" mode. I got this message while I'm configring etherchannel, in specific it was in " interface port-channel 2"
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Hello from Germany, packettracer worked verry fine for me on Ubuntu 18.04 - I worked with the 7.2.2 Version.But now after the hollydays packettracer dont't start anymore.I found that the download on your page has changed for the 7.2.2 from *.tar.gz f...
Hi there,I have a question about reconfiguring ports on a couple of core switches at one of our sites.The site in question has a pair of Cisco 6807-XL chassis running in VSS and I have setup some local SPAN ports for a new network defence system. How...
ROM: System Bootstrap, Version 15.0(1r)M16, RELEASE SOFTWARE (fc1)Router uptime is 1 minuteSystem returned to ROM by error - a Software forced crash, PC 0x30EEBBE8 at 06:3 9:57 UTC Wed May 8 2024System image file is "flash0:c2900-universalk9-mz.SPA.1...
Hello Everyone,I have a Firewall and 2 Cisco Switches.Opnsense Firewall (FW)Cisco CBS350-8FP-E-2G (SW1)Cisco CBS250-24T-4G (SW2)The current topology is as follow.Opnsense Firewall (FW)--->Cisco CBS350-8FP-E-2G (SW1)All 4 VLANs are configured on the F...
Hi all,I teach at a networking academy at a community college and we have a few donated 3560X switches supplementing our student lab. Six are deployed in pods. The room has adequate climate controlIn the last 10 months we have had two fail, announcin...
Hello, I am trying to set a router-id and then clear ip ospf process as required, but and Invalid input error appears instead. Please help, Thank you in advance!!
On a 6500 switch running ios 12.2, is there a way of clearing all config settings for a specified interface? I want to avoid going through and having to type "no blah blah etc" for each line.
Hi all, my customer has added IPv6 to their BYOD WLAN subnet and are seeing the following log messages on their Cat6k syslog %IPV6_ND-6-DUPLICATE_INFO: DAD attempt detected for FE80:: on VlanABC%IPV6_ND-6-DUPLICATE_INFO: DAD attempt detected for FE...
Hi everyone,I'm trying to configure, on GNS3, the DHCP snooping+IPSG, the last one just for IP filtering.Anyway, when "ip verify source" is enabled on a port, hosts traffic is dropped regardless the IP DHCP snooping table is apparently correctly fill...
HI all,i'm quite new to RSPAN y sincererly didn't get it very well.Ok is for monitoring interface traffic for interface is configured,ok i configure the "sending port" and "receiving port in monitoring",but where this traffic is forwarded?Where can i...
Resolved! DHCP loging
Hello,I have configured DHCP server on Cisco 881. My customer like to know his IP address/MAC address.Is it possible to send some log of IP/MAC address to his server? Thanks Milan
Dear CISCO community,this is probably very rare question, and most likely I'll got negative response, but nothing to lose by asking. I found WS-C2960L-16TS-LL switch forgotten in basement, and it is damaged ( not working at all ) by water/humidity da...
Resolved! Packet tracer download for MAC
Where can I download packet tracer?
I am experiencing high cpu usage on one of my 4500x switches. Below is the output switch#show processes cpu sortedCore 0: CPU utilization for five seconds: 37%; one minute: 32%; five minutes: 29%Core 1: CPU utilization for five seconds: 19%; one min...
